Quote:
Originally Posted by Palf70Step
3:42 is also a good combo. It's what most of the newer LS equipped trucks come with. Seems like a good mix of cruising and low end.
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yep.
4L60 with a 3.42 === 4L80 with 3.23 on the interstate. only about 20 rpm off.
problem is 1st gear may feel a little heavy with a stock converter.
you'd need a 4.22 gear with a 4L80 to feel like a 3.42 4L60.